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Message-Id: <20220227135329.145862-3-krzysztof.kozlowski@canonical.com> Date: Sun, 27 Feb 2022 14:53:27 +0100 From: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, Stuart Yoder <stuyoder@...il.com>, Laurentiu Tudor <laurentiu.tudor@....com>, Abel Vesa <abel.vesa@....com>, Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Fabio Estevam <festevam@...il.com>, "K. Y. Srinivasan" <kys@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>, Stephen Hemminger <sthemmin@...rosoft.com>, Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>, Bjorn Helgaas <bhelgaas@...gle.com>, Bjorn Andersson <bjorn.andersson@...aro.org>, Mathieu Poirier <mathieu.poirier@...aro.org>, Vineeth Vijayan <vneethv@...ux.ibm.com>, Peter Oberparleiter <oberpar@...ux.ibm.com>, Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>, Alexander Gordeev <agordeev@...ux.ibm.com>, Christian Borntraeger <borntraeger@...ux.ibm.com>, Sven Schnelle <svens@...ux.ibm.com>, Andy Gross <agross@...nel.org>, Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, Mark Brown <broonie@...nel.org>, "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, NXP Linux Team <linux-imx@....com>, linux-arm-kernel@...ts.infradead.org, linux-hyperv@...r.kernel.org, linux-pci@...r.kernel.org, linux-remoteproc@...r.kernel.org, linux-s390@...r.kernel.org, linux-arm-msm@...r.kernel.org, alsa-devel@...a-project.org, linux-spi@...r.kernel.org, virtualization@...ts.linux-foundation.org, Linus Torvalds <torvalds@...ux-foundation.org> Cc: Rasmus Villemoes <linux@...musvillemoes.dk>, Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>, stable@...r.kernel.org Subject: [PATCH v3 09/11] clk: imx: scu: Fix kfree() of static memory on setting driver_override The driver_override field from platform driver should not be initialized from static memory (string literal) because the core later kfree() it, for example when driver_override is set via sysfs. Use dedicated helper to set driver_override properly. Fixes: 77d8f3068c63 ("clk: imx: scu: add two cells binding support") Cc: <stable@...r.kernel.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com> --- drivers/clk/imx/clk-scu.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c index 083da31dc3ea..4b2268b7d0d0 100644 --- a/drivers/clk/imx/clk-scu.c +++ b/drivers/clk/imx/clk-scu.c @@ -683,7 +683,12 @@ struct clk_hw *imx_clk_scu_alloc_dev(const char *name, return ERR_PTR(ret); } - pdev->driver_override = "imx-scu-clk"; + ret = driver_set_override(&pdev->dev, &pdev->driver_override, + "imx-scu-clk", strlen("imx-scu-clk")); + if (ret) { + platform_device_put(pdev); + return ERR_PTR(ret); + } ret = imx_clk_scu_attach_pd(&pdev->dev, rsrc_id); if (ret) -- 2.32.0
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